Thunder Attack
Increases thunder element attack power. (Elemental attack power has a maximum limit.)
Lv. 1: Thunder attack +2
Lv. 2: Thunder attack +3
Lv. 3: Thunder attack +5% Bonus: +4
Lv. 4: Thunder attack +10% Bonus: +4
Lv. 5: Thunder attack +20% Bonus: +4
Astalos Greaves 
Ingot Vambraces S 
Ingot Vambraces X 
Zinogre Coil X 
Ingot Vambraces 
Khezu Helm X 
Tobi-Kadachi Coil 
Zinogre Mail X 
Bolt Jewel 1
Bolt Jewel+ 2